61334052564 has 24 divisors (see below), whose sum is σ = 143404275168. Its totient is φ = 20403043360.

The previous prime is 61334052539. The next prime is 61334052581. The reversal of 61334052564 is 46525043316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5198967 + ... + 5210750.

It is an arithmetic number, because the mean of its divisors is an integer number (5975178132).

Almost surely, 2^61334052564 is an apocalyptic number.

It is an amenable number.

61334052564 is an abundant number, since it is smaller than the sum of its proper divisors (82070222604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61334052564 is a wasteful number, since it uses less digits than its factorization.

61334052564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10410215 (or 10410213 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 61334052564 in words is "sixty-one billion, three hundred thirty-four million, fifty-two thousand, five hundred sixty-four".